ICD-10 N88.4
Billable / SpecificHypertrophic elongation of cervix uteri
About ICD-10-CM N88.4
ICD-10-CM code N88.4 represents Hypertrophic elongation of cervix uteri. This is a billable/specific code in the Genitourinary System chapter (block N88). The 2026 edition of ICD-10-CM N88.4 became effective on October 1, 2025.
Medicare LCD Coverage for N88.4
Local Coverage Determinations (LCDs) from CMS MACs that list N88.4 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing N88.4.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but N88.4 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with N88.4
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert N88.4 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| N88.4 | 6226 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To N88.4
Other codes in section N80-N98 (Noninflammatory disorders of female genital tract).
ICD-10 N88.4, Billing FAQ
Is ICD-10 code N88.4 billable? +
Yes, N88.4 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does N88.4 map to? +
Per CMS GEMs, N88.4 maps to ICD-9 codes: 6226. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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